const fs = require('fs');
const path = require('path');
const post = require('postcss');

fs.readFile(path.resolve(__dirname, 'index.css'), 'utf-8', (err,data)=>{
  if (err) {
    console.log('err', err);
    return;
  }
  const res = post.parse(data);
  console.log('res', res);
});

